https://hackerfactor.com/blog/index.php?/archives/931-PhotoD... is linked from https://anishathalye.com/inverting-photodna/ and is likely a good starting point
They also have scathing critique (eg [1]) about the Adobe-led C2PA digital provenance signing, having themselves been part of various groups that seek solutions to the provenance problem.
[1] https://www.hackerfactor.com/blog/index.php?/archives/1013-C...